128×64 Graphic LCD Display, 128×64 LCD Module

Model No. WG12864B

128×64 Graphic LCD Display, 128×64 LCD Module
IC: NT7107, NT7108
+5V power supply
1/64 duty cycle
Built-in negative voltage
WG12864S: Chinese built-in
WG12864BP1:+3.3V option
Interface: 6800

Category: Graphic LCD

Description

WG12864B is a mono 128×64 graphic LCD display, diagonal size 2.4 inch. WG12864A model is built in with NT7108 controller or equivalent IC; it supports 6800 8-bit parallel interface. This WG12864B 128×64 LCD module is 5V power supply. If you need negative voltage 3.3V power supply, please choose WG12864BP1. This 12864 Graphic LCD module is available for without backlight or with LED backlight options. WG12864B is available in various LCD panel colors including gray, yellow/green and blue LCD options. This model graphic LCD display can be operating at temperatures from -20℃ to +70℃; its storage temperatures range from -30℃ to +80℃.

Drawing

Data source ref:WG12864B-TFH-N#N

Specifications

Interface Pin Function

Pin No.	Symbol	Level	Description
1	VDD	5.0V	Supply voltage for logic
2	VSS	0V	Ground
3	Vo	(Variable)	Contrast Adjustment
4	DB0	H/L	Data bus line
5	DB1	H/L	Data bus line
6	DB2	H/L	Data bus line
7	DB3	H/L	Data bus line
8	DB4	H/L	Data bus line
9	DB5	H/L	Data bus line
10	DB6	H/L	Data bus line
11	DB7	H/L	Data bus line
12	CS1	L	Select Column 1~ Column 64
13	CS2	L	Select Column 65~ Column 128
14	/RST	L	Reset signal
15	R/W	H/L	H: Read (MPU←Module) , L: Write (MPU→Module)
16	D/I	H/L	H: Data , L : Instruction
17	E	H	Enable signal
18	NC	－	No connection
19	A	－	Power Supply for LED backlight ( + )
20	K	－	Power Supply for LED backlight ( – )

Mechanical Data

Item	Dimension	Unit
Number of dots	128 x 64	－
Module dimension	75.0 x 52.7 x 8.9(Max)	mm
View area	58.8 x 31.4	mm
Active area	55.01 x 27.49	mm
Dot size	0.40 x 0.40	mm
Dot pitch	0.43 x 0.43	mm
Duty	1/64
Backlight Type	LED
IC	NT7107,NT7108
Interface	6800

Absolute Maximum Ratings

Item	Symbol	Min	Typ	Max	Unit
Operating Temperature	TOP	-20	－	+70	℃
Storage Temperature	TST	-30	－	+80	℃
Supply voltage for Logic	VDD-VSS	-0.3	－	7.0	V
Driver Supply Voltage	VLCD	VEE-0.3	－	VDD+0.3	V

Electrical Characteristics

Item	Symbol	Condition	Min	Typ	Max	Unit
Supply Voltage For Logic	VDD-VSS	－	4.5	5.0	5.5	V
Supply Voltage For LCD	VDD-V0	Ta=-20℃ Ta=25℃ Ta=70℃	－ 7.8 7.6	－ 8.0 －	9.6 8.2 －	V V V
Input High Volt.	VIH	－	0.7VDD	－	VDD	V
Input Low Volt.	VIL	－	0	－	0.8	V
Output High Volt.	VOH	－	2.4	－	－	V
Output Low Volt.	VOL	－	－	－	0.4	V
Supply Current	IDD	VDD=5.0V	3.0	4.0	5.0	mA

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